TY - GEN AU - Safaa Mohamed Abbas AU - M. E. M. Hassouna , AU - O. E. Sherif , AU - Y. M. Issa , TI - Studies on some chromone schiff bases and their chelates with cerium thorium and uranyl ions / PY - 1998/// CY - Cairo : PB - Safaa Mohamed Abbas , N1 - Thesis(Ph.D.) - Cairo University - Faculty of Science - Department of Inorganic Chemistry UR - http://172.23.153.220/th.pdf ER -